SDR AALA2020072319015

Service difficulty report · Starter Gen · Boeing 737823

Difficulty date: July 20, 2020
Submitted: July 23, 2020
Operation: Air carrier
Aircraft: N815NN
Make and model: Boeing 737823
Aircraft serial: 33208
Aircraft time: 32,326 hours, 13,021 cycles
System (JASC): 2435 · Starter-Generator
Part: Starter Gen
Condition: Burned
Location: Apu
Stage of operation: NR
How discovered: O
Nature of condition: B
Precautionary procedure: H

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: ON APU POWER- ALL AC BUSSES TRIPPED OFF AND STRONG ELEC SMOKE SMELL FOR APPROX 1 MINUTE. NO COCKPIT C/BS POPPED. APU OPERATION NORMAL. SMOKE/BURN SMELL THROUT ENTIRE CABIN. MEL 07-1260DC-C. UPON FURTHER INSPECTION FOUND APU STARTER GENERATOR BURNED. NO DAMAGE TO CABLES FOR CONNECTORS. NO VISABLE DAMAGE TO ANYTHING ELSE ON APU. REMOVED AND REPLACED STARTER GENERATOR IAW AMM 49-41-21. OPS CHECK OK AT THIS TIME.